AI agents call appstore_verify_credentials to retrieve information from Mimi Seed without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and validates App Store Connect API credentials through a read-only GET request. It performs authentication testing and diagnostics without creating, modifying, deleting, or executing any operations. The purpose is to verify credentials before other tools are called, making it a pure read/diagnostic operation with minimal blast radius.
From the tool's definition Tool performs validation by making 'GET /apps' API call and checking JWT signature/authentication status. Description indicates it's diagnostic (진단) with 'no arguments' (인자 없음), checking credentials without modifying or executing operations.
Attacks that exploit this kind of access
App Store Connect API 키(appstore.json) 유효성 검증 — JWT 서명 + GET /apps 호출로 creds/sign/auth/api 단계별 진단. 첫 도구 호출에서 401로 늦게 터지기 전에 setup 직후 확인용. 인자 없음. It is categorised as a Read tool in the Mimi Seed MCP Server, which means it retrieves data without modifying state.
Register the Mimi Seed MCP server in PolicyLayer and add a rule for appstore_verify_credentials: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mimi Seed. Nothing to install.
appstore_verify_credentials is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the appstore_verify_credentials rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for appstore_verify_credentials. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
appstore_verify_credentials is provided by the Mimi Seed MCP server (@yoonion/mimi-seed-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
appstore_verify_credentials is one line of Mimi Seed's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →